Mechanistic investigation of cyclic ketene acetal radical ring-opening homo- and co-polymerization and preparation of PEO graft copolymers with tunable composition
Yifeng Du, Yifeng Du, Yuhui Du, Yuhui Du, Stefano Lazzari, Tom Reimers, Rupert Konradi, Thomas W. Holcombe, E. Bryan Coughlin
Abstract
Radical ring-opening polymerization of cyclic ketene acetals (CKAs) led to homogeneous ester insertion during semi-batch reactions with N -vinyl pyrrolidone ( N VP). Investigation of CKA radical transfer allowed for CKA– N VP graft copolymer preparation.
Topics & Concepts
KeteneCopolymerAcetalPolymer chemistryPolymerizationRing-opening polymerizationHomogeneousChemistryRadical polymerizationRing (chemistry)Organic chemistryPolymerPhysicsThermodynamicsAdvanced Polymer Synthesis and CharacterizationSynthetic Organic Chemistry MethodsRadioactive element chemistry and processing